Yen, Greg

Yen, Greg was paid $185K by Medicaid between Jan 2018 and Sep 2024, across 8 billing codes. Its largest line is 93306, Echocardiography, transthoracic, real-time with image documentation, with and without Doppler, complete — 52% of everything it billed.

33Billing provider infoYEN, GREG
SAN GABRIEL, CA 91776

33aNPI1093739021assigned 07/26/2006

33bProvider typeCardiovascular Disease Physician

28Total paid$185K

24GClaims5,467

24DCodes billed8

24AFirst – last monthJan 2018 – Sep 2024

Compared with peers

Next to other Cardiovascular Disease Physician providers in California

Rank by total paid#200 of 714

Median peer was paid$28K

This provider vs. median6.5×

Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.

Box 24A · Dates of service

Paid by month

Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider

By year, as a table

Year	Claims	Paid
2018	1,947	$60K
2019	1,247	$54K
2020	475	$28K
2021	541	$18K
2022	579	$13K
2023	481	$10K
2024incomplete	197	$2K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
93306	Echocardiography, transthoracic, real-time with image documentation, with and without Doppler, complete	52%	953	947	$95K
99213	Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity	21%	2,234	2,217	$39K
93000		11%	771	771	$20K
99222	Initial hospital care, per day, moderate complexity	6.2%	146	144	$12K
99203	Doctor's office visit, new patient (routine)Office or other outpatient visit for the evaluation and management of a new patient, low complexity	5.8%	309	309	$11K
99232	Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity	2.3%	918	226	$4K
99204	Doctor's office visit, new patient (more involved)Office or other outpatient visit for the evaluation and management of a new patient, moderate complexity	1.6%	118	118	$3K
99214	Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity	<1%	18	18	$1K

Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.